Eligibility Criteria:
Inclusion Criteria:
* Healthy adult, aged between 20 to 40 years old
* Physically and mentally healthy subjects as confirmed by an interview, medical history, clinical examination, laboratory tests, chest X-ray and electrocardiogram
* The normal range of the body mass index should between 18.5 and 24.9; body mass equals \[weight(Kg)\]/\[height(m)\]2
* Normal laboratory determinations results (within normal range or considered not clinically significant by the investigator) including: SGOT (AST), SGPT (ALT), albumin, glucose, creatinine, uric acid, cholesterol, TG, γ-GT, alkaline phosphatase, total bilirubin, D-Bil, BUN, TP, GLO, HBsAg and Anti-HCV.
* Normal hematology results (within normal range or considered not clinically significant by the investigator) including: hemoglobin, hematocrit, WBC count with differential, RBC count and platelet count.
* Normal urinalysis results (within normal range or considered not clinically significant by the investigator) including: glucose, protein, RBC, WBC, epith, casts and bacteria.
* Female subject who is using adequate contraception since last menstruation and no plan for conception during the study
* Female subject who is non-lactating
* Female subject who has negative pregnancy test (urine) within 14 days prior to the study
* Informed consent form signed
Exclusion Criteria:
* A recent history of drug or alcohol abuse
* Medical history of allergic asthma or sensitivity to analogous product
* A clinically significant illness within the past 4 weeks.
* Evidence of any clinical significant renal, cardiovascular, hepatic, hematopoetic, neurological, pulmonary or gastrointestinal pathology within the past 4 weeks.
* Ongoing peptic ulcer and constipation.
* Planed vaccination during the time course of the study.
* Participation of any clinical investigation during the last 60 days.
* Regular use of any medication during the last 4 weeks.
* Single use of any medication during the last one week.
* Blood donation of more than 500 mL within the past 12 weeks.
* Individuals are judged by the investigators or co-investigator to be undesirable as subjects.